Most of the discussion of DesignPatterns on this Wiki are specific to SoftwareEngineering and are therefore SoftwareDesignPatterns, as contrasted with Alexander's original ArchitecturalDesignPatterns, which inspired the ones in software.
SoftwareDesignPatterns include famous examples such as SingletonPattern, AbstractFactoryPattern (see BuilderPattern), PrototypePattern
SoftwareDesignPatternsIndex with cross references to different names for the same pattern.
See CategoryPattern for a moderately exhaustive list.
Somewhat related topics: